Which of the following is inefficient way to carry carbon dioxide but it does occur?
a) as bicarbonate ion
b) as carboxyhaemoglobin
c) as dissolved in plasma
d) none of these
Respiratory Pigments
Which of the following is/are the respiratory pigment/s in human body?
a) Haemoglobin
b) haemocyanin
c) myglobin
d) both a and c
Explanation: Myoglobin is a protein located primarily in the striated muscles of vertebrates.
Haemglobin is the…….containing oxygen transport metalloprotein in the RBCs of almost all vertebrates.
a) magnesium
b) copper
c) sodium
d) iron
Which of the
following respiratory pigment/s that only carry/ies oxygen from respiratory
organ (lungs/gills) to rest of the body tissues?
a) Haemoglobin
b) haemocyanin
c) myglobin
d) all of these
Which of the following respiratory pigment/s carry/ies and stores oxygen in muscles?
a) Haemoglobin
b) haemocyanin
c) Myglobin
d) all of these
Explanation: Myoglobin contains a heme prosthetic group that can reversibly bind to oxygen.
